<template>
  <div>
    <MainHome />
    <div class="main">
      <div class="py-container">

        <!--bread面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!--三级分类的名称-->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName }}
              <i @click="removeCategoryName">x</i>
            </li>
            <!--关键字的名称-->
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}
              <i @click="removekeyword">x</i>
            </li>
            <!--品牌的名称-->
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(':')[1] }}
              <i @click="removeTrademark">x</i>
            </li>
            <!--商品属性值-->
            <li class="with-x" v-for="(attrValue, index) in searchParams.props" :key="index">
              {{ attrValue.split(':')[1] }}
              <i @click="removeAttr(index)">x</i>
            </li>

          </ul>
        </div>

        <!--selector选择器-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo" />

        <!--details 详情页-->
        <div class="details clearfix">
          <!--sort 排序-->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 综合排序 -->
                <li :class="{ active: orderFlag === '1' }" @click="changeOrder(1)">
                  <a>
                    <!-- icon-up代表上箭头，icon-down代表下箭头 -->
                    综合<i v-show="orderFlag === '1'" class="iconfont" :class="orderSort"></i>
                  </a>
                </li>
                <!-- 价格排序 -->
                <li :class="{ active: orderFlag === '2' }" @click="changeOrder(2)">
                  <a>
                    <!-- icon-up代表上箭头，icon-down代表下箭头 -->
                    价格<i v-show="orderFlag === '2'" class="iconfont" :class="orderSort"></i>
                  </a>
                </li>
              </ul>
            </div>
          </div>

          <!-- goods list商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="{ path: '/detail/' + good.id }">
                      <img :src="good.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" title="促销信息，下单即赠送三个月CIBN视频会员卡！">
                      {{ good.title }}
                    </a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
        </div>

        <!-- pagination分页页码 -->
        <PagesIndex :total="total" :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :continues="5"
          @getPageNo="getPageNo" />

        <!-- 商品为空时显示 -->
        <div class="empty" v-if="total === 0">
          <img src="https://static.360buyimg.com/devfe/error-new/1.0.0/css/i/error_06.png" alt="" />
          <h2>抱歉，没有找到符合条件的商品</h2>
        </div>


      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector'
import { mapGetters } from 'vuex'

export default {
  name: 'SearchIndex',
  components: {
    SearchSelector
  },
  data() {
    return {
      //搜索参数
      searchParams: {
        category1Id: '', //一级分类ID
        category2Id: '', //二级分类ID
        category3Id: '', //三级分类ID
        categoryName: '', //分类名称
        keyword: '', // 搜索关键字
        props: [], // 属性值
        trademark: '', // 品牌
        order: "1:desc", //排序方式,初始状态为综合|降序
        pageNo: 1, // 页码
        pageSize: 10,
      }
    }
  },
  beforeMount() {
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  //组件挂载完只执行一次
  mounted() {
    this.getData();
  },
  computed: {
    ...mapGetters(['goodsList', 'total']),
    //计算排序类型（综合是1，价格是2）
    orderFlag() {
      return this.searchParams.order.split(':')[0];
    },
    //计算排序标识（asc升序|图标为icon-up,desc降序图标为icon-down）
    orderSort() {
      return this.searchParams.order.split(':')[1] === 'asc' ? 'icon-up' : 'icon-down';
    },
  },
  methods: {
    //获取页码
    getPageNo(pageNo) {
      this.searchParams.pageNo = pageNo;
      this.getData();
    },
    //请求数据
    getData() {
      //发请求,请求数据
      this.$store.dispatch('setProductSearch', this.searchParams);
    },
    //移除分类名称
    removeCategoryName() {
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      this.getData();
      //地址栏参数清除
      if (this.$route.params) {
        this.$router.push({
          name: "search",
          params: this.$route.params,
        });
      }
    },
    //移除关键字
    removekeyword() {
      this.searchParams.keyword = undefined;
      this.getData();
      //地址栏参数清除
      if (this.$route.query) {
        this.$router.push({
          name: "search",
          query: this.$route.query,

        });
      }

    },
    //移除品牌
    removeTrademark() {
      this.searchParams.trademark = undefined;
      this.getData();
    },
    //移除属性
    removeAttr(index) {
      this.searchParams.props.splice(index, 1);
      this.getData();
    },

    //自定义事件，接收trademarkInfor品牌信息
    trademarkInfo(trademark) {
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
      this.getData();
    },

    //自定义事件，接收attrInfo属性信息
    attrInfo(attr, attrValue) {
      //参数整理传递
      let props = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      //判断是否已存在该属性,数组去重
      if (this.searchParams.props.indexOf(props) === -1) {
        this.searchParams.props.push(props);
      }
      this.getData();
    },

   // 排序方式切换changeOrder
changeOrder(newFlag) {
  // 先获取当前的排序方式和排序标识
  const [flag, sort] = this.searchParams.order.split(':');
  // 初始化用于拼接新的排序方式的变量
  let str = '';

  // 判断用户点击的排序方式和之前的排序方式是否一致,parseInt()将字符串转为数字
  if (newFlag === parseInt(flag)) {  
    // 如果是同一种，则切换排序方式
    str = flag + ':' + (sort === 'desc' ? 'asc' : 'desc');
  } else {
    // 如果是不同，则默认设置为降序
    str = newFlag + ':desc';
  }
  // 更新排序方式
  this.searchParams.order = str;
  this.getData();
},
  
    //监听路由变化
    watch: {
      //监听路由变化，重新请求数据
      $route() {
        //Object写法：合并对象{key: value},发请求之前先将searchParams赋值给vuex中的state
        Object.assign(this.searchParams, this.$route.query, this.$route.params);
        this.getData();

        //每次请求完毕清除上次请求的缓存数据id，接受下次请求的数据
        this.searchParams.category1Id = '';
        this.searchParams.category2Id = '';
        this.searchParams.category3Id = '';
      }
    },
  }
}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;
              list-style: none;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;
            list-style: none;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      // .page {
      //   width: 733px;
      //   height: 66px;
      //   overflow: hidden;
      //   float: right;

      //   .sui-pagination {
      //     margin: 18px 0;

      //     ul {
      //       margin-left: 0;
      //       margin-bottom: 0;
      //       vertical-align: middle;
      //       width: 490px;
      //       float: left;

      //       li {
      //         line-height: 18px;
      //         display: inline-block;

      //         a {
      //           position: relative;
      //           float: left;
      //           line-height: 18px;
      //           text-decoration: none;
      //           background-color: #fff;
      //           border: 1px solid #e0e9ee;
      //           margin-left: -1px;
      //           font-size: 14px;
      //           padding: 9px 18px;
      //           color: #333;
      //         }

      //         &.active {
      //           a {
      //             background-color: #fff;
      //             color: #e1251b;
      //             border-color: #fff;
      //             cursor: default;
      //           }
      //         }

      //         &.prev {
      //           a {
      //             background-color: #fafafa;
      //           }
      //         }

      //         &.disabled {
      //           a {
      //             color: #999;
      //             cursor: default;
      //           }
      //         }

      //         &.dotted {
      //           span {
      //             margin-left: -1px;
      //             position: relative;
      //             float: left;
      //             line-height: 18px;
      //             text-decoration: none;
      //             background-color: #fff;
      //             font-size: 14px;
      //             border: 0;
      //             padding: 9px 18px;
      //             color: #333;
      //           }
      //         }

      //         &.next {
      //           a {
      //             background-color: #fafafa;
      //           }
      //         }
      //       }
      //     }

      //     div {
      //       color: #333;
      //       font-size: 14px;
      //       float: right;
      //       width: 241px;
      //     }
      //   }
      // }
    }
  }

  .empty {
    text-align: center;
    padding: 50px;
    margin-bottom: 40px;
    border: 1px solid #e2e2e2;
    border-radius: 5px;

    h2 {
      font-size: 24px;
      margin-top: 20px;
      color: #999;
    }
  }
}
</style>